Buffer overflow in Microsoft Edge
CVE-2018-0939
ChakraCore and Microsoft Edge in Windows 10 1703 and 1709 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0891.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.055 (92.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- Microsoft Edge
- Microsoft Windows 10 — versions 1703, 1709
- Microsoft Corporation Chakracore, Edge — versions Microsoft Windows 10 1703 and 1709.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/103305 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0939 (Patch, Vendor Advisory)
- www.securitytracker.com/id/1040507 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-0939?
- CVE-2018-0939 is a medium-severity vulnerability in Microsoft Edge, classified under Out-of-bounds Write. CVSS score: 4.3/10. Published 2018-03-14.
- How severe is CVE-2018-0939?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2018-0939 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.